Home / 2,001,290.19-2,761,729.32-1,118,246.40

Finding the Fourth Proportional to 2,001,290.19, 2,761,729.32 and 1,118,246.40

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Solution

The fourth proportional to 2,001,290.19, 2,761,729.32 and 1,118,246.40 is: 1,543,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001,290.19 : 2,761,729.32 = 1,118,246.40 : x
  2. Step 2: Convert to fraction form
    2,001,290.19/2,761,729.32 = 1,118,246.40/x
  3. Step 3: Cross multiply
    2,001,290.19x = 2,761,729.32 × 1,118,246.40
  4. Step 4: Simplify right side
    2,001,290.19x = 3,088,293,869,864.45
  5. Step 5: Solve for x
    x = 3,088,293,869,864.45/2,001,290.19
  6. Step 6: Final answer
    x = 1,543,151.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.